Talk:Dsh: Difference between revisions
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I installed '''dsh''' on my ''XS 0.4''' test platform, following the instructions on [http://www.netfort.gr.jp/~dancer/software/dsh.html.en the '''dsh''' homepage] to compile from source. I already had all the dev tools I needed except for '''gcc-c++''', though I forget if I installed those prior. I had a slight issue with where <code>make install</code> put these libraries: |
I installed '''dsh''' on my '''XS 0.4''' test platform, following the instructions on [http://www.netfort.gr.jp/~dancer/software/dsh.html.en the '''dsh''' homepage] to compile from source. I already had all the dev tools I needed except for '''gcc-c++''', though I forget if I installed those prior. I had a slight issue with where <code>make install</code> put these libraries: |
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[root@schoolserver etc]# cd /usr/local/lib |
[root@schoolserver etc]# cd /usr/local/lib |
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[root@schoolserver lib]# ls |
[root@schoolserver lib]# ls |
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'''Dsh''' looks for these in '''/usr/lib''', so I just copied them all over to '''/usr/lib''' and then '''dsh''' worked. Also, it puts '''dsh.conf''' in '''/usr/local/etc''' instead of '''/etc/dsh'''. Not a big deal, just something to remember. I had to edit <code>remoteshell= ssh</code> instead of '''rsh''' in '''dsh.conf'''. |
'''Dsh''' looks for these in '''/usr/lib''', so I just copied them all over to '''/usr/lib''' and then '''dsh''' worked. Also, it puts '''dsh.conf''' in '''/usr/local/etc''' instead of '''/etc/dsh'''. Not a big deal, just something to remember. I had to edit <code>remoteshell= ssh</code> instead of '''rsh''' in '''dsh.conf'''. |
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Additionally, I edited '''/etc/ssh_config''' on the '''XS''' to say <code>"StrictHostKeyChecking no"</code> to automatically approve the '''XO''s '''rsa''' keys. |
Additionally, I edited '''/etc/ssh_config''' on the '''XS''' to say <code>"StrictHostKeyChecking no"</code> to automatically approve the '''XO'''s '''rsa''' keys. |
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On the '''XO'''s, I had to edit '''sshd_config''' for <code>"PubkeyAuthentication yes"</code> It is critical to set the permissions correctly for '''/home/olpc/.ssh''' and '''/home/olpc/.ssh/authorized_keys''', otherwise '''ssh''' and '''dsh''' won't work. |
On the '''XO'''s, I had to edit '''sshd_config''' for <code>"PubkeyAuthentication yes"</code> It is critical to set the permissions correctly for '''/home/olpc/.ssh''' and '''/home/olpc/.ssh/authorized_keys''', otherwise '''ssh''' and '''dsh''' won't work. |
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Latest revision as of 21:42, 13 November 2008
I installed dsh on my XS 0.4 test platform, following the instructions on the dsh homepage to compile from source. I already had all the dev tools I needed except for gcc-c++, though I forget if I installed those prior. I had a slight issue with where make install put these libraries:
[root@schoolserver etc]# cd /usr/local/lib [root@schoolserver lib]# ls libdshconfig.a libdshconfig.so libdshconfig.so.1.0.0 libdshconfig.la libdshconfig.so.1
Dsh looks for these in /usr/lib, so I just copied them all over to /usr/lib and then dsh worked. Also, it puts dsh.conf in /usr/local/etc instead of /etc/dsh. Not a big deal, just something to remember. I had to edit remoteshell= ssh instead of rsh in dsh.conf.
Additionally, I edited /etc/ssh_config on the XS to say "StrictHostKeyChecking no" to automatically approve the XOs rsa keys.
On the XOs, I had to edit sshd_config for "PubkeyAuthentication yes" It is critical to set the permissions correctly for /home/olpc/.ssh and /home/olpc/.ssh/authorized_keys, otherwise ssh and dsh won't work.
chmod 700 ~/.ssh chmod 600 ~/.ssh/authorized_keys
Now the fun of "commanding a legion of XOs!" Here are some little things I've tried:
- Get a list of the XOs by Buddy name:
dsh -Mac cat /home/olpc/.sugar/default config | grep nickname
- See how much free space is on the nand:
dsh -Mac df -h | grep mtd0
- Install an activity (this can probably be condensed into fewer commands):
dsh -Mac wget <link to activity.xo file> dsh -Mac unzip activity.xo -d /home/olpc/Activities dsh -Mac rm activity.xo